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CVE-2025-8759— TRENDnet TN-200 Lighttpd hard-coded key

Quick assessment

Affected
TRENDnet TN-200
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TRENDnet TN-200是美国趋势网络（TRENDnet）公司的一款NAS媒体服务器。 TRENDnet TN-200 1.02b02版本存在安全漏洞，该漏洞源于参数secdownload.secret使用硬编码密钥。

CVSS 3.7 · Low EPSS 0.50% · P41

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys
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I. Basic Information for CVE-2025-8759

Vulnerability Information
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Vulnerability Title
TRENDnet TN-200 Lighttpd hard-coded key
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in TRENDnet TN-200 1.02b02. It has been declared as problematic. This vulnerability affects unknown code of the component Lighttpd. The manipulation of the argument secdownload.secret with the input neV3rUseMe leads to use of hard-coded cryptographic key . The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5
Vulnerability Title
TRENDnet TN-200 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TRENDnet TN-200是美国趋势网络（TRENDnet）公司的一款NAS媒体服务器。 TRENDnet TN-200 1.02b02版本存在安全漏洞，该漏洞源于参数secdownload.secret使用硬编码密钥。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TRENDnet TN-200 1.02b02 -

II. Public POCs for CVE-2025-8759

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III. Intelligence Information for CVE-2025-8759

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Same Patch Batch · TRENDnet · 2025-08-09 · 3 CVEs total

CVE-2025-8758 7.0 HIGH TRENDnet TEW-822DRE vsftpd least privilege violation
CVE-2025-8757 7.0 HIGH TRENDnet TV-IP110WN Embedded Boa Web Server boa.conf least privilege violation

IV. Related Vulnerabilities

Same vendor: TRENDnet
Same weakness: CWE-321

V. Comments for CVE-2025-8759

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